IPv4 prefix

61.115.136.0/23

IP Prefix (CIDR)

61.115.136.0/23

Subnet Mask

255.255.254.0

Address Count

512

IP Range

61.115.136.0 - 61.115.137.255

Subnet calculator

Calculate subnet details

Registered Owner

Owner

Japan Network Information Center

Handle

JNIC1-AP

Country

Japan (JP)

Address

Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda Chiyoda-ku, Tokyo 101-0047, Japan

Registry

JPNIC

Registered Prefix

61.115.136.0/23 (61.115.136.0 - 61.115.137.255)

Delegated Prefix

61.112.0.0/12 (61.112.0.0 - 61.127.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
61.115.128.0/18	Covering	AS9617	JCOM Co. Ltd.	Japan (JP)	61.115.128.0	61.115.191.255